00442nam a22001577i 4500001001000000005001700010008004100027082002300068100001800091245004500109250001000154260005700164300001700221650002800238020001800266SXC01841720260819093638.0260101s1994    ii            000 0 eng d  a540.157 ANI-E3222  aAnil Kumar De10aEnvironmental chemistry /cAnil Kumar De  a3 ed.  abNew Age International Publishers, New Delhi,c1994  ap. ;c22 cm. 0aEnvironmental chemistry  a9780781605670